Use After Free Affecting perf package, versions <0:3.10.0-862.el7


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
1.34% (68th percentile)

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  • Snyk IDSNYK-CENTOS7-PERF-2101502
  • published26 Jul 2021
  • disclosed5 Dec 2017

Introduced: 5 Dec 2017

CVE-2017-8824  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:7 perf to version 0:3.10.0-862.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state.

CVSS Base Scores

version 3.1